20 Questions - Person
1. Yes, this person is still alive
2. This person is in the music industry
3. This person is not American
4. Well she still performs concerts, so I guess she is a performer
5. Not British
6. Yes, from Canada
7. Her music would not be considered rock

Hints:
1. This person is female
2. Has been nominated and won many music industry awards
3. Currently lives in the United States
4. Has collaborated with Leonard Cohen, Anne Murray, Roy Orbison to name a few
5. Has a tremendous vocal range
6. Is a vegetarian
7. Has performed on Broadway